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(11)

EP 4 085 536 A1

(12)

(43) Date of publication: 09.11.2022 Bulletin 2022/45 (21) Application number: 20704251.6 (22) Date of filing: 06.02.2020

(51) International Patent Classification (IPC):  H04B 7/06(2006.01) H04L 27/36(2006.01) (52) Cooperative Patent Classification (CPC): H04B 7/0626; H04L 27/36; H04B 7/0604 (86) International application number: PCT/EP2020/052938 (87) International publication number: WO 2021/155927 (12.08.2021 Gazette 2021/32)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (71) Applicant: Huawei Technologies Co., Ltd. Shenzhen, Guangdong 518129, (CN)	(72) Inventor: NASIRI KHORMUJI, Majid 16440 Kista (SE) (74) Representative: Thun, Clemens  Mitscherlich PartmbB Patent- und Rechtsanwälte Sonnenstraße 33 80331 München 80331 München (DE)